Question

Determine the sum. Write your answer in scientific notation. 4.4 × 10^4 + 12.3 × 10^4 = ? options:

A. 16.7 × 10^8
B. 1.67 × 10^5
C. –7.9 × 10^4
D. 54.12 × 10^4

Answer 1

D...................

Answer 2

IT B Because 1.67x10^8 Is 167

And 4.4 × 10^4 + 12.3 × 10^4 = 167

Let's do This 4.4 × 10^4 is 440

And 12.3 × 10^4 is 123

and u put 1,67x10^4

1 go to 167

6 go to 167

7 go to 167

so your answer is B 1.67 × 10^5

Explanation: